Table 5 Air material and EOS (Equation of State) parameters.

From: Influence of wave impedance of backfill medium on explosive stress wave propagation and rock mass damage evolution

ρ/(kg m− 3)

C0

C1

C2

C3

C4

C5

C6

\(E_{0}^{a}\)/(kj m− 3)

1.2

0

0

0

0

0.4

0.4

0

250

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